A 45min ride at 50-60% FTP. 10min Warm up. 4 x 6min Climbs at 90%, 5min recovery then a cool down.
Col du Mont Cenis is a mountain pass on the French/Italian border. At the summit is a huge lake created by a dam, powering hydro generation for France and Italy. Some historians believe this pass was used by Hannibal when he made his famous elephant Alps crossing.